HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-20 00:56:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

Simplify TT penalty stat (#980)

Browse Source 
STC:
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 20251 W: 3692 L: 3570 D: 12989

LTC:
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 16432 W: 2155 L: 2029 D: 12248

Bench: 5941174
This commit is contained in:
VoyagerOne
2017-01-29 02:54:58 -05:00
committed by Marco Costalba
parent 5254a6040c
commit fa24cc25a4
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/search.cpp
View File

@@ -657,7 +657,7 @@ namespace {
update_cm_stats(ss-1, pos.piece_on(prevSq), prevSq, -stat_bonus(depth + ONE_PLY));
}
// Penalty for a quiet ttMove that fails low
else if (ttValue < alpha && !pos.capture_or_promotion(ttMove))
else if (!pos.capture_or_promotion(ttMove))
{
Value penalty = -stat_bonus(depth + ONE_PLY);
thisThread->history.update(pos.side_to_move(), ttMove, penalty);